Curly used a shovel to dig his own swimming pool. he figured he needed a pool because digging it was hard work, and he could use it to cool off after working on it all day. he also planned to build a rectangular concrete deck around the pool that would be 6 feet wide at all points. the pool is rectangular and measures 14 feet by 40 feet. what is the area of the deck?

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?